2004 Bombardier Quest/Traxter Series Shop Manual, Page 121Get this manual
Section 03 ENGINE QUEST Subsection 07 (LUBRICATION SYSTEM)
Check inner rotor for corrosion pin-holes or other damagesIf so, replace oil pump shaft assemblyEnsure to also check oil pump housing and coverIf damaged, replace the complete oil pump assembly
R610motr56A
Oil pump gear Dowel pins Suction side of the oil pump Oil outlet to the bypass of the oil filter Outlet from the engine oil pressure regulator valve
R610motr58A
1Pittings on the teeth
needle pin no27 oil pump shaft assembly no24 oil pump housing no20
Using feeler gauge, measure the clearance between inner and outer rotors